Fog trapped between the panes means the sealed glass unit has failed, and Chicago’s freeze-thaw winters speed that up. Apex Window Werks handles double pane window repair by manufacturing the replacement unit ourselves and usually installing it within 48 hours of measuring, with a 5-year workmanship warranty.
Double Pane Window Repair in Chicago, IL
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Double Pane Window Repair Services We Offer in Chicago
Most problems in a double pane window sit in the glass unit, not the frame around it. We find out which part failed first, then fix only that part.
A hazy film or beads of water between the layers can't be wiped off, because they sit inside the sealed airspace. We make a matching replacement and fit it into your existing sash or frame.
Cracked or Shattered Pane Replacement
When one layer of insulated glass breaks, the whole assembly has to be swapped. We remove the damaged glass, clean out the glazing channel, and set a new one cut to your opening.
Cold glass and drafty rooms in January often point to glass that has lost its gas fill. We build a new sealed assembly with a fresh argon charge so the opening holds heat again.
Custom-Size and Shaped Glass
Arched, round, and angled openings don't come off a shelf. We build each piece to your measurements, including your choice of spacer bar color: aluminum, bronze, black, or gray.
Dried-out glazing or caulk lets moisture creep back in and can ruin brand-new glass. We redo the perimeter during the same visit so the fix lasts.
A shattered pane in the middle of winter isn't a job for next month. Call us and we'll tell you how soon a replacement can be made and installed.
Foggy Glass in Your Windows? Get a Straight Answer.
Send us a few photos through our virtual estimate form and a technician will tell you whether a new glass unit is all you need.
Schedule an Estimate
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(847) 557-9600
Double Pane Window Problems We Fix
Chicago windows swing from damp August heat to sub-zero January nights, and every cycle stresses the seals. These are the failures we’re called out for often:
- Milky haze or droplets between the layers: Moisture entered the airspace after the perimeter seal let go.
- Cold spots near the glass: The gas fill may have leaked out, so the unit no longer slows heat loss.
- Chips and cracks: Impact damage that reaches either layer weakens the whole unit.
- Mineral spots that won’t wash off: Dried residue inside the unit is a late-stage sign of a long-failed seal.
- Stained or soft wood at the sill: Leaking glazing lets water sit on the frame, which is a separate repair from the glass itself.
Glass Options for Replacement Units
Each sealed unit we build can be specified for the room it serves. These are the choices we go over at your estimate:
Low-E Coated Glass
A thin, nearly invisible coating reflects heat back toward its source, keeping warmth in during winter and slowing solar gain in summer.
Tinted Glass
Tint reduces glare on sunny south and west exposures and adds a measure of privacy, which suits rooms that get strong afternoon light.
Tempered Glass
Heat treatment makes tempered glass stronger, and it breaks into small pieces instead of sharp shards. Building codes call for it in certain locations, such as near doors and low openings, so we check where your window sits.
Laminated Glass
A plastic interlayer holds fragments together if the glass breaks, which adds security and cuts street noise.
Argon and Krypton Gas Fills
The space between layers is filled with an inert gas that conducts heat more slowly than ordinary air, improving the unit's insulating value.
Window Brands We Work With
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Our Double Pane Window Projects
Ready to Clear Up Your Windows?
Tell us what you’re seeing and we’ll plan the right fix, whether that’s one fogged unit or several.
Schedule an Estimate
Or Call Us
(847) 557-9600
Why Chicago Homeowners Choose Apex Window Werks
Making the glass ourselves affects how fast and how precisely we can work.
We Build the Glass Ourselves
Making our own insulated glass units means every replacement is cut to your exact opening and doesn’t depend on a supplier’s backlog.
Most Installs Within 48 Hours of Measuring
Once we have your measurements, most replacements go in within 48 hours, so you aren’t living with a fogged or broken window for weeks.
Since 2008, with 14,000+ Completed Projects
We’ve repaired windows across Chicago and the Midwest for more than 15 years, from single-pane bungalow sashes to sealed units in newer homes.
5-Year Workmanship Warranty
Materials and labor are covered for five years after installation.
4.8 Stars on Google
Homeowners have left more than 3,400 Google reviews, averaging 4.8 stars.
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FAQ About Double Pane Window Repair in Chicago
Where can I buy replacement insulated glass for a window?
Directly from us. We manufacture insulated glass units and install them ourselves, so you don’t have to source glass or match a unit from a retailer.
Can a broken double pane window be repaired?
Yes, by replacing the sealed glass unit. A cracked layer can’t be patched, because the seal and gas fill would be compromised. In most cases the frame stays where it is.
Can you replace just one pane of a dual-pane window?
No. The two layers form a single sealed unit. Removing one would break the spacer seal and let the gas escape, which ends the insulating benefit.
Is it cheaper to replace the glass or the whole window?
Glass alone is often the lower-cost route when the frame and sash are sound. If the frame is rotted or the sash is badly warped, replacement can be the better call, and we’ll tell you honestly which situation you have.
How much does insulated glass replacement cost in Chicago?
A standard-size replacement typically runs $100 to $400 per window. The final price depends on the size of the unit, the glass specification (Low-E, tempered, or laminated), any custom shape, and whether the frame also needs work. Large picture windows and specialty glass cost more. We give a free estimate before any work starts.
How long does replacement take?
After measuring, the unit is built in our own facility and is typically installed within 48 hours. Custom shapes or specialty glass can take longer.
Can you replace glass in winter?
Yes. Only the glass unit comes out while the frame stays in place, and we plan each visit so the opening is exposed for as short a time as possible.
Book Your Double Pane Window Repair in Chicago
Get a clear plan for your foggy or broken glass, with the new unit built by us and covered by a 5-year workmanship warranty.
